diff --git a/includes/NotificationX.php b/includes/NotificationX.php
index 8b6954408..787d6713e 100644
--- a/includes/NotificationX.php
+++ b/includes/NotificationX.php
@@ -143,7 +143,7 @@ public function pro_alert_popup($args) {
             $args = wp_parse_args($args, [
                 "showConfirmButton"=> true,
                 "showCloseButton"=>true,
-                "title" => __('Opps! This is PRO Feature.'),
+                "title" => __('Opps! This is PRO Feature.', 'notificationx'),
                 "customClass"=> [
                     "container"=> 'pro-video-popup',
                     "closeButton"=> 'pro-video-close-button',